package com.wanxi.servlet;

import com.wanxi.model.BrandModel;
import com.wanxi.service.BrandService;

import javax.servlet.ServletException;
import javax.servlet.annotation.WebServlet;
import javax.servlet.http.HttpServlet;
import javax.servlet.http.HttpServletRequest;
import javax.servlet.http.HttpServletResponse;
import java.io.IOException;

@WebServlet("/findById")
public class BrandFindByIdServlet extends HttpServlet {
    @Override
    protected void doGet(HttpServletRequest req, HttpServletResponse resp) throws ServletException, IOException {
        //        1.乱码处理
        req.setCharacterEncoding("UTF-8");
        resp.setCharacterEncoding("UTF-8");
//        2.得到前端的值
        String id = req.getParameter("id");

//        3.封装对象
        BrandModel model = new BrandModel();
       model.setId(Integer.valueOf(id));
//      4.调用服务逻辑层
        BrandService brandService = new BrandService();
//        以后只要参数多余两个，而且意思差不多，则直接用对象进行传递
//        int res = brandService.add(name, enterpriseName, sort, describe, status);
//      5.得到服务逻辑层的返回结果
        BrandModel brandModel = brandService.findById(model);
//        6.将返回结果返回给前端页面
        req.setAttribute("model", brandModel);
        req.getRequestDispatcher("BrandUpdate.jsp").forward(req, resp);

    }
}
